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Eric L Maranda, Brian J Simmons, Austin H Nguyen, Victoria M Lim, Jonette E Keri
Acne keloidalis nuchae (AKN) is a chronic inflammatory condition that leads to fibrotic plaques, papules and alopecia on the occiput and/or nape of the neck. Traditional medical management focuses on prevention, utilization of oral and topical antibiotics, and intralesional steroids in order to decrease inflammation and secondary infections. Unfortunately, therapy may require months of treatment to achieve incomplete results and recurrences are common. Surgical approach to treatment of lesions is invasive, may require general anesthesia and requires more time to recover...
September 2016: Dermatology and Therapy
K Greveling, E P Prens, N Ten Bosch, M van Doorn
BACKGROUND: Pain is a common adverse effect during dermatological laser procedures. Currently, no standard topical anaesthetic cream exists for deeper dermal laser procedures. OBJECTIVE: To compare the efficacy of lidocaine/tetracaine cream and lidocaine/prilocaine cream in reducing self-reported pain during deeper dermal laser treatments of acne keloidalis nuchae (AKN) and tattoos. METHODS: We conducted two randomized, double-blind, controlled clinical trials with intra-patient, split-lesion design: Study A in patients with AKN (n=15), and Study B in patients with black tattoos (n=15)...
July 5, 2016: British Journal of Dermatology
Scott F Lindsey, Antonella Tosti
The management of hair and scalp conditions is difficult in any patient, especially given the emotional and psychological implications of hair loss. This undertaking becomes even more challenging in the ethnic patient. Differences in hair care practices, hair shaft morphology, and follicular architecture add complexity to the task. It is imperative that the physician be knowledgeable about these practices and the phenotypic differences seen in ethnic hair in order to appropriately diagnose and treat these patients...
2015: Current Problems in Dermatology
Dimitrios Rigopoulos, Gregoriou Stamatios, Dimitrios Ioannides
Scarring alopecia or cicatricial alopecia results from follicular damage that is sufficient to cause the destruction and replacement of pilosebaceous structures by scar tissue. Primary scarring alopecias represent a group of disorders that primarily affect the hair follicles, as opposed to secondary scarring alopecias, which affect the dermis and secondarily cause follicular destruction. Inflammation may predominantly involve lymphocytes or neutrophils. Cicatricial alopecias that mainly involve lymphocytic inflammation include discoid lupus erythematosus, lichen planopilaris, frontal fibrosing alopecia, central centrifugal alopecia, and pseudopelade (Brocq)...
2015: Current Problems in Dermatology
José Francisco Millán-Cayetano, Juan Bosco Repiso-Jiménez, Javier Del Boz, Magdalena de Troya-Martín
Acne keloidalis nuchae (AKN) is difficult to treat, and the clinical response is usually poor. Few reports have been published about scarring alopecia treated with radiotherapy (RT). We report a case of AKN that had been refractory to various other treatments but which responded to RT with excellent clinical and cosmetic results.
July 29, 2015: Australasian Journal of Dermatology
A Ogunbiyi, B Adedokun
BACKGROUND: Folliculitis keloidalis nuchae (FKN) also known as acne keloidalis is the commonest form of scarring alopecia occurring in African males. It occurs mostly in individuals of African descent. Its prevalence ranges from 1·6% to 16·1%. FKN is multifactorial in origin: androgens, inflammation, trauma, ingrowing hairs and secondary infection have all been implicated in its aetiology. The reason for its occurrence in the occipital region is unclear although elevated androgens in the scalp have been suggested...
July 2015: British Journal of Dermatology
Marcia Ramos-e-Silva, Rodrigo Pirmez
This paper reviews the recent literature on the diseases of the hair and pilosebaceous unit that may cause a red face. We discuss the epidemiology, clinicals, pathogenesis, and therapy of lichen planopilaris with its variants, discoid lupus erythematosus, folliculitis decalvans, dissecting folliculitis, acne keloidalis nuchae, pseudofolliculitis barbae, tinea capitis, tinea barbae, folliculitis of diverse causative factors and inflammatory follicular keratotic syndromes, ulerythema ophryogenes, atrophoderma vermiculatum, keratosis follicularis spinulosa decalvans, and folliculitis spinulosa decalvans...
November 2014: Clinics in Dermatology
G A Okoye, B M Rainer, S G Leung, H S Suh, J H Kim, A M Nelson, L A Garza, A L Chien, S Kang
BACKGROUND: Acne keloidalis nuchae (AKN) is a chronic scarring folliculitis with fibrotic papules on the occipital scalp. Its treatment is limited and unsatisfactory. OBJECTIVES: To determine whether targeted ultraviolet B (tUVB) phototherapy will (i) improve the clinical appearance of AKN and (ii) induce extracellular matrix remodelling in affected lesions. METHODS: Eleven patients with AKN were enrolled in a prospective, randomized, split-scalp comparison study...
November 2014: British Journal of Dermatology
Pamela Madu, Roopal V Kundu
Skin of color, also known as ethnic skin, is described as skin of individuals of African, Asian, Hispanic, Native-American, Middle Eastern, and Pacific Island backgrounds. Differences in hair morphology, hair grooming, cultural practices, and susceptibility to keloid scarring exist within these populations and have been implicated in hair, scalp, and skin disorders. Acne keloidalis (AK), central centrifugal cicatricial alopecia (CCCA), dissecting cellulitis of the scalp (DCS), pseudofolliculitis barbae (PFB), traction alopecia (TA), and keloids are the most prevalent follicular and scarring disorders in skin of color...
August 2014: American Journal of Clinical Dermatology
Andrew Alexis, Candrice R Heath, Rebat M Halder
Pseudofolliculitis barbae and folliculitis keloidalis nuchae are chronic follicular disorders disproportionately affecting men of African ancestry. This article explores the etiology, pathogenesis, treatment, and prevention strategies of these conditions. Effective treatment and prevention of these disorders involves pharmacologic and procedural interventions as well as behavioral modifications.
April 2014: Dermatologic Clinics
Roopal V Kundu, Stavonnie Patterson
Several skin conditions are more common in persons with skin of color, including dermatosis papulosa nigra, pseudofolliculitis barbae, acne keloidalis nuchae, and keloids. Dermatosis papulosa nigra is a common benign condition characterized by skin lesions that do not require treatment, although several options are available for removal to address cosmetic concerns. Pseudofolliculitis barbae occurs as a result of hair removal. Altering shaving techniques helps prevent lesions from recurring. In acne keloidalis nuchae, keloidal lesions are found on the occipital scalp and posterior neck...
June 15, 2013: American Family Physician
N P Khumalo, N Gantsho, F Gumedze, T Mthebe
The clean-shave haircut known locally as the chiskop is rare among females but popular with black South African men, who are also predisposed to folliculitis keloidalis nuchae (FKN) (keloids on the back of the head). During a previous study, participants described an unexpected symptom of haircut-associated bleeding. As this is not a widely recognised entity, we conducted the present study at an HIV clinic servicing the same population, with the objective of comparing the prevalences of haircut-associated bleeding and FKN in 390 HIV-positive subjects with published data for Langa (Western Cape, South Africa)...
July 2013: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
Ross A Miller, William C Spanos, Ali D Jassim
No abstract text is available yet for this article.
April 2013: JAMA Otolaryngology—Head & Neck Surgery
Kayi Li, Benjamin Barankin
No abstract text is available yet for this article.
February 2013: Canadian Family Physician Médecin de Famille Canadien
Nonhlanhla P Khumalo
No abstract text is available yet for this article.
November 2012: International Journal of Dermatology
Samia M Esmat, Rania M Abdel Hay, Ola M Abu Zeid, Hala N Hosni
BACKGROUND: Laser-assisted hair removal causes miniaturization of hair shafts which are the principal contributors to inflammation in acne keloidalis nuchae (AKN). OBJECTIVE: To assess the efficacy of hair reduction by long pulsed Nd-YAG laser as a therapeutic modality for AKN. METHODS: This interventional pilot trial included 16 patients with AKN who received 5 sessions of long pulsed Nd-YAG laser. Lesions were objectively and subjectively assessed at the third and fifth laser sessions, and 1 year after...
September 2012: European Journal of Dermatology: EJD
Jeremy Robert Etzkorn, Katelyn Chitwood, George Cohen
No abstract text is available yet for this article.
April 2012: Journal of Drugs in Dermatology: JDD
S Pavithra, Sanath Rao, B Vishal, G S Pai
No abstract text is available yet for this article.
July 2011: Indian Journal of Dermatology
Nonhlanhla P Khumalo, Freedom Gumedze, Rannakoe Lehloenya
BACKGROUND: Folliculitis keloidalis nuchae (FKN), characterized by nucheal pimples and keloids, has a predilection for curly African hair. The disease is 10 times more common in males than females. The aim of this study was to investigate determinants of FKN in males. METHODS: Factors associated with the presence of FKN were investigated from two cross-sectional studies involving 1042 children and 874 adults, respectively. All participants had given informed consent...
October 2011: International Journal of Dermatology
Nashida Beckett, Christina Lawson, George Cohen
Acne keloidalis nuchae is an idiopathic, scarring folliculitis characterized by the formation of papules and pustules that may ultimately develop into tumor-like masses distributed on the nape of the neck and occipital region of the scalp. This hyperproliferative disorder is most commonly seen in African-American men. While the pathogenesis remains uncertain, precipitating factors include localized trauma, chronic irritation, seborrhea, and androgen excess. The treatment of acne keloidalis nuchae is challenging and depends on the clinical stage of the disease; however, a multifaceted approach involving combination therapies has proven to be effective in some cases...
January 2011: Journal of Clinical and Aesthetic Dermatology
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